Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view of the graphical user interface of FIG. 1 in which a mobile terminal is provided in broken lines to illustrate an example environment.

The broken lines in the figures show portions of the display screen or portion thereof with graphical user interface which form no part of the claimed design.

The dash-dot broken line showing of the display screen is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 